Home / 30,821.16-46,194.56-14,158.20

Finding the Fourth Proportional to 30,821.16, 46,194.56 and 14,158.20

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Solution

The fourth proportional to 30,821.16, 46,194.56 and 14,158.20 is: 21,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821.16 : 46,194.56 = 14,158.20 : x
  2. Step 2: Convert to fraction form
    30,821.16/46,194.56 = 14,158.20/x
  3. Step 3: Cross multiply
    30,821.16x = 46,194.56 × 14,158.20
  4. Step 4: Simplify right side
    30,821.16x = 654,031,819.39
  5. Step 5: Solve for x
    x = 654,031,819.39/30,821.16
  6. Step 6: Final answer
    x = 21,220.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.